KR900014484A - Lightweight polyester products - Google Patents

Lightweight polyester products Download PDF

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Publication number
KR900014484A
KR900014484A KR1019900004292A KR900004292A KR900014484A KR 900014484 A KR900014484 A KR 900014484A KR 1019900004292 A KR1019900004292 A KR 1019900004292A KR 900004292 A KR900004292 A KR 900004292A KR 900014484 A KR900014484 A KR 900014484A
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KR
South Korea
Prior art keywords
inert gas
weight percent
foam sheet
resin composition
thermoplastic resin
Prior art date
Application number
KR1019900004292A
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Korean (ko)
Other versions
KR0145414B1 (en
Inventor
정탁만
레오 데이비스 챨스
에드워드 프린스 잭
Original Assignee
카알 에이취, 크루코우
더 굿이어 타이어 앤드 러버 캄파니
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Publication of KR900014484A publication Critical patent/KR900014484A/en
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Publication of KR0145414B1 publication Critical patent/KR0145414B1/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B11/00—Making preforms
    • B29B11/06—Making preforms by moulding the material
    • B29B11/10—Extrusion moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/08—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles using several expanding or moulding steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3442—Mixing, kneading or conveying the foamable material
    • B29C44/3446—Feeding the blowing agent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/002—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor characterised by the choice of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/0861—Other specified values, e.g. values or ranges
    • B29C2949/0862—Crystallinity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/26—Component parts, details or accessories; Auxiliary operations
    • B29C51/42—Heating or cooling
    • B29C51/428—Heating or cooling of moulds or mould parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/90—Direct application of fluid pressure differential to shape, reshape, i.e. distort, or sustain an article or preform and heat-setting, i.e. crystallizing of stretched or molecularly oriented portion thereof
    • Y10S264/901—Heat-setting of stretched or molecularly oriented article formed from planar preform, e.g. sheet, film

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Molding Of Porous Articles (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

내용 없음No content

Description

경량 폴리에스테르 제품Lightweight polyester products

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (5)

(a) 폴리에틸렌 테레프탈레이드 약 94 내지 약 99중량%, (b) 적어도 하나의 폴리올레핀 약 1내지 약 6중량% 및 (c) 약 0.4내지 약 1.25 범위내의 밀도를 갖는 기포 시이트(cellular sheet)를 제공하는데 충분한 양의 불활성개스 기포(cell)를 포함하는 실질적으로 무정형의 기포시이트를 열성형시킴을 특징으로 하는 경량 박막 제품의 제조방법.providing a cellular sheet having a density in the range from (a) about 94 to about 99 weight percent polyethylene terephthalate, (b) about 1 to about 6 weight percent at least one polyolefin and (c) about 0.4 to about 1.25 A method for producing a lightweight thin film product, characterized in that it thermoforms a substantially amorphous foam sheet containing an inert gas cell in an amount sufficient to form a cell. (1) (a) 폴리에틸렌 테레프탈레이드 약 94 내지 약 99중량%, (b) 적어도 하나의 폴리올레핀 약 1내지 약 6중량%를 포함하는 열가소성수지 조성물을 압출기속으로 공급하고; (2) 열가소성수지 조성물이 용융 상태로 존재하는 동안 불활성 개스를 열가소성수지 조성물속에 혼합시킨 다음; (3) 불활성개스를 함유하는 열가소성 수지 조성물을 시이트 성형 다이를 통해 압출시켜 약 0.4 내지 약 1.25 범위내의 밀도를 갖는 기포시이트를 제공하는데 충분한 양의 불활성 개스 기포를 함유하는 실질적으로 무정형의 기포시이트를 생성시킴을 특징으로 하는, 경량 박막 제품으로 열성형시킬 수 있는 무정형 기포 시이트의 제조방법.(1) feeding a thermoplastic resin composition comprising (a) about 94 to about 99 weight percent polyethylene terephthalate and (b) about 1 to about 6 weight percent of at least one polyolefin into an extruder; (2) mixing the inert gas into the thermoplastic composition while the thermoplastic composition is in the molten state; (3) a substantially amorphous foam sheet containing an amount of inert gas bubbles sufficient to extrude a thermoplastic resin composition containing inert gas through a sheet forming die to provide a foam sheet having a density in the range of about 0.4 to about 1.25. A method for producing an amorphous foam sheet which can be thermoformed into a lightweight thin film product, characterized in that it is produced. (a) 폴리에틸렌 테레프탈레이드 약 94 내지 약 99중량%, (b) 적어도 하나의 폴리올레핀 약 1내지 약 6중량%를 포함하는 열가소성수지 조성물을 압출 기속으로 공급하고; (2) 열가소성수지 조성물이 용융 상태로 존재하는 동안, 불활성개스를 압축기속의 열가소성수지 조성물속에 혼합시키며; (3) 불활성 개스를 함유하는 열가소성수지 조성물을 시이트 성형다이를 통해 압출시켜 약 0.4 내지 약 1.25 범위내의 밀도를 갖는 기포시이트를 제공하는데 충분한 양의 불활성개스 기포를 함유하는 실질적으로 무정형의 기포시이트를 생성시킨 다음; (4) 기포시이트를 가열된 금형속에서 열성형시켜 경량제품을 생성시킴을 특징으로 하는 경량제품의 제조방법.supplying a thermoplastic resin composition comprising (a) about 94 to about 99 weight percent polyethylene terephthalate, and (b) about 1 to about 6 weight percent of at least one polyolefin; (2) while the thermoplastic resin composition is in the molten state, the inert gas is mixed into the thermoplastic resin composition in the compressor; (3) a substantially amorphous foam sheet containing an amount of inert gas bubbles sufficient to extrude a thermoplastic resin composition containing an inert gas through a sheet forming die to provide a foam sheet having a density in the range of about 0.4 to about 1.25. Generated; (4) A method for producing a lightweight product, characterized in that the foam sheet is thermoformed in a heated mold to produce a lightweight product. 제2항 또는 제3항에 있어서, 상기 열가소성수지 조성물이 유효량의 열안정화제를 추가로 포함함을 특징으로 하는 방법.The method of claim 2 or 3, wherein the thermoplastic composition further comprises an effective amount of a heat stabilizer. 제2항, 제3항 또는 제4항에 있어서, 폴리에틸렌 테페프탈레이트의 고유점도가 적어도 0.7dl/g이며, 불활성 개스 기포가 약 0.7 내지 약 1.15 범위내의 밀도를 갖는 기포 시이트를 제공하는데 충분한 양으로 존재함을 특징으로 하는 방법.The method according to claim 2, 3 or 4, wherein the polyethylene tefephthalate has an intrinsic viscosity of at least 0.7 dl / g and in an amount sufficient to provide a bubble sheet having an inert gas bubble having a density in the range of about 0.7 to about 1.15. Characterized by being present. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900004292A 1989-03-31 1990-03-30 Lightweight polyester products KR0145414B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US331,140 1989-03-31
US07/331,140 US4981631A (en) 1989-03-31 1989-03-31 Process for making lightweight polyester articles

Publications (2)

Publication Number Publication Date
KR900014484A true KR900014484A (en) 1990-10-24
KR0145414B1 KR0145414B1 (en) 1998-07-15

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Country Status (8)

Country Link
US (1) US4981631A (en)
EP (1) EP0390723B1 (en)
JP (1) JPH078531B2 (en)
KR (1) KR0145414B1 (en)
AU (1) AU632373B2 (en)
CA (1) CA2007073C (en)
DE (1) DE69027249T2 (en)
DK (1) DK0390723T3 (en)

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DK0390723T3 (en) 1996-06-24
EP0390723A3 (en) 1992-06-10
KR0145414B1 (en) 1998-07-15
EP0390723B1 (en) 1996-06-05
DE69027249T2 (en) 1996-12-19
AU632373B2 (en) 1992-12-24
JPH078531B2 (en) 1995-02-01
AU6461190A (en) 1992-04-16
CA2007073A1 (en) 1990-09-30
DE69027249D1 (en) 1996-07-11
JPH02286725A (en) 1990-11-26
EP0390723A2 (en) 1990-10-03
CA2007073C (en) 1999-12-21
US4981631A (en) 1991-01-01

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